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Four New Luminescent Metal–Organic Frameworks as Multifunctional Sensors for Detecting Fe3+, Cr2O72– and Nitromethane
journal contribution
posted on 2020-02-21, 22:29 authored by Fa-Yuan Ge, Guo-Hao Sun, Lei Meng, Shuang-Shuang Ren, He-Gen ZhengFour new metal–organic frameworks, {[Zn(L)(dcdps)]}n (1), {Zn(L)(bdc)}n (2), {[Cd(L)(oba)]·0.5DMF}n (3), and {[Cd(L)(bdc)·2H2O]·2DMF}n (4) [L = 4,4′-(2,5-bis(methylthio)-1,4-phenylene)dipyridine;
H2dcdps = 4,4′-sulfonyldibenzoic acid, H2bdc = 1,4-dicarboxybenzene, H2oba = 4,4′-oxybisbenzoic
acid] have been hydrothermally synthesized and characterized by single
crystal X-ray diffraction, infrared spectroscopy, powder X-ray diffraction,
element analysis, and thermogravimetry measurements. Their application
in detecting ions and organic molecules was explored, and the results
show that they are all excellent luminescent probes for Fe3+, Cr2O72–, and nitromethane.
The mechanisms of quenching were also studied in detail.
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H 2 obamoleculeprobedcdpH 2 bdcLuminescentNitromethaneNewacidapplicationpowder X-ray diffractioncrystal X-ray diffractionFrameworknitromethaneFemechanismbiframeworkoxybisbenzoicMultifunctional Sensorssulfonyldibenzoicelement analysishydrothermallyZnquenchingresults showthermogravimetry measurementsspectroscopyCrdicarboxybenzene
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